[ros-users] rosserial and custom message: cannot load package error
adasta at gmail.com
Fri Aug 26 04:03:30 UTC 2011
You are right. I jumped the gun and didn't read the rest of your message.
If it is loading in ipython, then it should work.
Anyway, I am not sure what the problem is right now. Could you ask this
question on answers.ros.org. We can debug this there without polluting
On Thu, Aug 25, 2011 at 11:37 PM, brice rebsamen
<brice.rebsamen at gmail.com>wrote:
> Hi and thanks for the quick reply.
> I did rosmake lowlevel.
> I think a proof is that loading the package manually in ipython works.
> On Fri, Aug 26, 2011 at 11:25 AM, Adam Stambler <adasta at gmail.com> wrote:
> > Hi Brice,
> > You still need to make your custom message package (rosmake lowlevel).
> > generated the Arduino code but you still need to make the message package
> > order to build the python/cpp message code that the rest of ros uses.
> > In the future, please use answers.ros.org for these kinds of questions.
> > Regards,
> > Adam
> > On Thu, Aug 25, 2011 at 11:21 PM, brice rebsamen <
> brice.rebsamen at gmail.com>
> > wrote:
> >> Hi
> >> I am trying to set an arduino node. Here is the short version of the
> >> story.
> >> I defined a custom message ("lowlevel/Arduino") and generated the
> >> appropriate header using the script for that. The arduino code
> >> compiles alright. However, I am having a problem on the python_node
> >> side: it cannot load my package 'lowlevel':
> >> [ERROR] [WallTime: 1314328569.317936] Cannot import package : lowlevel
> >> [ERROR] [WallTime: 1314328569.318390] Failed to parse subscriber.
> >> However, if I run the following commands in ipython, it seems to work:
> >> In : import roslib; roslib.load_manifest("rosserial_python")
> >> In : import rospy
> >> In : roslib.load_manifest('lowlevel')
> >> In : m=__import__('lowlevel.msg')
> >> In : m.msg.Arduino
> >> Out: <class 'lowlevel.msg._Arduino.Arduino'>
> >> What am I doing wrong?
> >> Brice
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